Relasting-machine.



O. ASHTON.

RELASTING MACHINE.

APPLICATION FILED NOV. 2. 1914.

1,1 50,804., Patented Alig. 17, 1915.

2 SHEETSSHEET 1.

WT/VKSSES 7 0. ASHTON.

RELASTING MACHINE.

APPLICATION FILED NOV.2,1914- 1,150,804. Patenfed Aug. 17, 1915.

2 SHEETS-SHEET 2.

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OEBELL ASHTON, OF SWAMPSCOTT, MASSACHUSETTS, ASSIGNOR TO UNITED SHGE MACHINERY COMPANY, OF PATERSON, NEW JERSEY, A CORPORATION OF NEW JERSEY.

RELASTING-MACHINE.

Application filed November 2, 1914.

To all whom it may concern Be it known that I, O'RRELL AsH'roN, a citizen of the United States, residing at Swampscott, in the county of Essex and State of Massachusetts, have invented certain Improvements in Relasting-Vlachines, of which the following description, in connection with the accompanyingdrawings, is a specification, like reference characters'on the drawings indicating like parts in the several figures.

This invention relates to machines known as relasting machines which are used particularly in the manufacture of turn shoes for drawing the shoe over a last after the shoe has been turned, although obviously such machines are adapted to perform a like operation upon shoes of other types.

Among its novel and advantageous'features the invention provides, in combination with a last support and a tool for engaging a shoe to pull the shoe over the last, operating means for the tool so constructed and arranged that the tool may be manipulated freely through an extended range of movement in accordance with changes in the position of the last support or in applying said tool to shoes of various sizes and styles, and when applied to a shoe may be operated without any material lost motion, whatever may be its position with reference to the operating means.

As herein shown the invention includes an operating member in the form of a treadle for actuating the" tool and connecting means in the form of a flexible member extending from the tool to a guide on the treadle and thence to resilient means which tends to maintain the member taut and to uphold the treadle while permitting the tool to be moved to difierent positions through longitudinal movement of the flexible member, the: treadle having means for fixing its re lation to the flexible member to establish an effective connection with the tool when the treadle is operated to pull the tool.

The various features of the invention, including certain details of construction and combinations of parts, will now be described with reference to the accompanying drawings and pointed out in the claims.

In the drawings, Figure 1 is a perspective view of a machine in which the invention is embodied; Fig. 2 is a detail view illustrating the means for establishing an operative Specification of Letters Patent.

Patented Aug. 1?, 1915.

Serial No. 869,844.

connection between the treadle and the flexible member that leads to the shoe pulling tool; Fig. 3 illustrates the application of a modified form of tool to a low shoe; Fig. 4 illustrates the manner in which the tool shown in Fig. 1 is applied to a high shoe,

and Fig. 5 is a cross-section on the line 5-5 of Fig. 2.

The machine includesa base or frame 2 in which is mounted adjustably an upright ack 4 for supporting the various lasts in posltion for the respective shoes to be drawn thereover.

A bracket 6 on the jack serves to support a work table or tray 8, and the tray has securedthereto a bracket 10 which is slotted to receive the shoe pulling tool and main tains the tool in a position convenient to the hand of the operator. This tool comprises a pair of levers 12 pivoted together at 14 and having their shoe engaging ends shaped to secure an effective hold upon the upper of a shoe without injuring the shape or appearance ofthe upper.

In the form shown in Figs. 1 and 4 the ends of the levers are shaped for gripping the upper of a high shoe in the manner illustrated in Fig. 4, while the tool shown in Fig. 3 is shaped for gripping a low cut shoe and includes a horn 16 for guiding the shoe over the heel end of the last. The shoe engagingends or jaws of the tool in both forms are normally maintained closed by means of a spring seen at 18 in Fig. 3, the aws being opened by hand pressure applied to the rear portions of the levers 12 at the other side of the pivot 14. In pulling a shoe these portions of the levers are positively separated to cause the jaws to maintain an effective hold upon the shoe by means of toggle links 20 connected together by a pivot pin 22 which is guided in a slot in a link 24 mounted on the pivot 14. The toggle is' so arranged as not to be entirely straightened by the pull upon the shoe, so that the tool may be readily disengaged from the shoe by the operators hand. It will be evident that with this arrangement the pressure with which the tool grips the shoe will be proportionate to the strength of the pull ppon the tool in drawing the shoe over the ast.

The connections for operating the toggle in the yoke, and a chain 30 extending from the hook under a pulley 32 on a treadle 34:

which is pivoted to the frame at 36." The chain is connected at its opposite end to a swingingarm 38 pivotally mounted'upon a lug 40 on the treadle and swung normally by a spring 4-2 in a direction to hold the chain 30 taut and support the treadle at its upper limit of movement which is variably determined by a stop it that may be inserted in any one ofanumber of holes 46 inthe frame 2. V

The treadle 34: has at its forward enda tread member 1-8 pivoted at 50 and carrying a forked guide 52 which positions the memher with reference to opposite sides of the pulley 32; and between the forks of the guide 52 is a dog 5a which engages a link of the chain and fixes the position of the chain with reference to the treadle when the latter is operated. A spring-held plunger 56'engaging a pin 58 serves to position the tread member normally with the dog'o'e out of engagement with the chain. 7

With the machine constructed as described it will be apparent that the operating means for the shoe gripping tool'comprises a flexibleconnection which permits the tool to be] .moved in any direction and is extensible with reference tojthe operating treadle so that the tool may be positioned at various distances from thetreadle in applying it to a shoe. With the tool in engagement wlth a,

shoe in them-anner illustrated 1n F 1g. 3 ,or

in Fig. 1-, the operator depresses the treadle, the engagement of the foot with the tread member l8 serving first to lock the chain to the treadlevby means of the dog 5% and the subsequent movement of the treadle exerting a downward pull upon that portion of the chain which extends between the treadle and the tool.. The operation of the treadle thus serves to effect without any lost'motion a.

positive pull upon the tool, spreading the toggle 20 to; insure firm engagement of the tool with the 'shoe and pulling the shoe quickly over "the last. When the pressure upon the treadle is released the dog 54 first disengages the chain, and through the tension of the spring 42 the chain then serves to lift the treadle as far as permitted by the stop 4A and to maintain it in its uppermost position. The tool may then be disengaged from the shoe and restored to the holder 10 to await the removal of the shoe, the mounting of another last on the jack 4 and the location of another shoe in position for treatment. 1

Although the preferred arrangement shown 7 and described includes a foot treadle for operating the shoe pulling tool, it will be readily understood that many features of the invention are not dependent upon the use of this precise form of operating member, and that the term treadle as employed in many of the claims is to be construed as comprehending a broad range of equivalents.

7 Having described the inventionfwhat I claim asnew and desire to secureby Letters Patent of the United States is the following I 1. In a machine of the class described, the combination with a last support, of a shoe pulling tool, a member for operating thetool to pull a shoe over a last upon'the support, connecting means between the tool and said member extensible to vary the distance engaging said connection to p'revent such eX-. tension thereof during the operation of the member. V

3. In a machine of the class described,the combination with a last support, of a shoe pulling tool, a treadlefor operating the tool to pull a shoe over a last upon the support,

a connection between the tool and the treadle movable with reference to the treadle to vary the distance between the treadle andthe tool, and means on the-treadle constructed and arranged to engage said connectionautomaticallyupon the operation of thetreadle'to prevent such movement of'the connection with reference to the treadle during the operation of pulling the shoe. 7

4L. In a machine of the class described, the combination with a last support, of a shoe ice pulling tool, a treadle for operating the tool 7 to pull a shoe over a last upon the support,

a connection between the tool and the treadle movable with reference to the treadle longi tudinally to lengthen thedistance between the treadle and the tool, resilient means iii) tending to move the connection and the tool longitudinally with reference tothe treadle in the opposite direction, and means for preventing longitudinal movement of said connection with reference to the treadle during the pulling operation. r

5. Ina machine of the class described, the combination with a last support, of a shoe pulling tool, a treadle for operating the tool to pull a shoe over a last upon the support, a flexible connection between the tool and v the treadle movable while the treadle is in idle position to permit the-tool to be located at different distances from the treadle, and means for preventing such movement of said connection during the operative movement of the treadle.

llti

6. In a machine of the class described, the I combination with a last support, of a shoe pulling tool, a treadle for operating the tool to pull a shoe over a last upon the support, a connection between the tool and the treadle comprising a chain connected to the tool and movable to permit the tool to be positioned at different distances from the treadle, and means on the treadle constructed and arranged to engage the chain to effect a rigid connection therewith during the operative movement of the treadle.

7. In a machine of the class described, the combination with a last support, of a shoe pulling tool, a treadle for operating the tool to pull a shoe over a last upon the support, a guide on the treadle, a flexible member connected to the tool and engaging said guide and normally movable lengthwise with reference to the guide, and means for fixing the lengthwise position of said member with reference to the guide upon the operation of the treadle.

8. In a machine of the class described, the combination with a last support, of a shoe pulling tool, a treadle for operating the tool to pull a shoe over a last upon the support, a guide on the treadle, a flexible member connected to the tool and engaging said guide, means for holding said member taut while permitting it to move normally lengthwise with reference to the guide, and means for preventing lengthwise movement of said member over the guide during operative movement of the treadle.

9. In a machine of the class described, the combination with a last support, of a shoe pulling tool, a flexible member connected to the tool, resilient means for holding said member taut, and operating means for the tool arranged to engage said member between the tool and said resilient means to cause the tool to pull a shoe over a last upon the support.

10. In a machine of the class described, the combination with a last support, of a manually supportable shoe pulling tool, a flexible member connected at one end to the tool, a pivoted arm connected to the other end of said flexible member, resilient means for swinging said arm in a direction to hold said member taut while permitting the tool to be moved to different positions, and positive means for engaging and pulling said member in the same direction as said resilient means to cause the tool to pull a shoe over a last upon the support.

11. In a machine of the class described, the combination with a last support, of a shoe pulling tool, a treadle for operating the tool to pull a shoe over a last upon the support, a guide on the treadle, a flexible member connected to the tool and extending under said guide to support the treadle, and resilient means arranged to hold said member taut and maintain the treadle normally at its upward limit of movement.

12. In a machine of the class described, the combination with a last support, of a shoe pulling tool, a treadle for operating the tool to pull a shoe over a last upon the support, connections between the tool and the treadle comprising a flexible member and resilient means for holding said member taut and supporting the treadle, and means for variably limiting the extent of upward movement of the treadle.

13. In a machine of the class described, the combination with a last support, of a shoe pulling'tool, a treadle for operating the tool to pull a shoe over a last upon the support, a connection between the tool and the treadle movable normally lengthwise with reference to the treadle, said treadle having a tread member movable with reference to other portions thereof, and means operated by said member for fixing the lengthwise position of said connection with reference to the treadle upon an operative movement of the treadle.

14. In a machine of the class described, a shoe pulling tool constructed and arranged for bodily manipulation manually, a member for operating the tool, a flexible connection between the tool and said member movable to permit the tool to be positioned at different distances from said member, means for supporting the tool when the tool is not in use, and means for holding said connection taut in all positions of the tool.

15. In a machine of the class described, a last support, a shoe pulling gripper adapted and arranged for bodily manipulation manually to engage a shoe on the support, a treadle lever, a chain extending from the gripper and movable through a guide in the treadle lever, tensioning means to which the free end of the chain is connected to hold it taut, and means carried by the treadle lever to grip the chain automatically when the treadle lever is depressed.

16. In a machine of the class described, a last support, a shoe pulling gripper adapted and arranged for bodily manipulation manually to engage a shoe on the support, means for holding the gripper normally closed, a treadle lever, a connector extending from the gripper to the treadle lever,

support on the upright, a shoe pulling tool adapted to engage the heel portion of a shoe to pull the shoe over its last, a flexible connector attached to the tool, an operating treadle having a guide for the connector, an arm extending rearwardly from the upright and to which the treadle is pivoted, means base, an upright extending therefrom, a last support on the upright, a shoe pulling tool adapted to engage the heel portion of a shoe to pull the shoe over its last, a flexible connector attached to the tool, an operating treadle to Which the connector extends, a

Work table located relativelyto the shoe support and to the treadle' to be out of the course of the connector When the tool is being operated, and a tool holder on the table constructed and arranged to engage the tool and restrain it from displacement by the action of theconnector and the treadle While the tool is not in use. 7 19. In a machine of the class descrlbed, a

base, an upright extending therefrom, a last support on the upright, a table, a tool holder on the table, a shoe pulling tool, a flexible connector attached to the tool, and an operating treadle to Which the connector eX- tends.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses ORRELL ASHTON.

' Witnesses: I

LONA ARIELLE MILLEu, CHESTER E. ROGERS.

Copies Cf this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

' Washington, I). G. 

